{"id":"vidhyamitra:city-day:shimla:2025-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/shimla/2025-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-01-13","date_display":"January 13, 2025 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2025,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460688.770833,"kali_year":5126,"ahargana":1872223.2708,"sun":{"sidereal_longitude":268.7066,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":79.1333,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.4267,"elapsed_within_tithi_degrees":2.4267},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":79.1333,"elapsed_within_degrees":12.4666},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":347.8399},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2025,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460688.770833,"ahargana":1872223.2708,"kali_year":5126,"ayanamsa_lahiri":24.2027,"grahas":{"sun":{"sidereal_longitude":268.8945510000001,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":77.57635099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":4},"retrograde":false,"latitude":4.4501},"mars":{"sidereal_longitude":92.867951,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":true},"mercury":{"sidereal_longitude":252.10585100000003,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":47.87755099999998,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3},"retrograde":true},"venus":{"sidereal_longitude":315.67685099999994,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":24,"name":"Śatabhiṣā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":321.423451,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":340.6013,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":160.6013,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2025,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460688.770833,"kali_year":5126,"ahargana":1872223.2708,"sun":{"sidereal_longitude":268.7066,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":79.1333,"rashi":3,"rashi_name":"Mithuna"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":170.4267,"elapsed_within_tithi_degrees":2.4267},"nakshatra":{"number":6,"name":"Ārdrā","pada":4,"moon_longitude":79.1333,"elapsed_within_degrees":12.4666},"yoga":{"number":27,"name":"Vaidhṛti","sum_longitude":347.8399},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.45,"elongation":170.427},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.45,"opposition_distance":9.573}},"eclipse_window_40days":[]},"city":{"slug":"shimla","name":"Shimla, Himachal Pradesh","lat":31.1048,"lon":77.1734,"tz_offset_hours":5.5,"state":"Himachal Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"shimla","name":"Shimla, Himachal Pradesh","lat":31.1048,"lon":77.1734,"tz_offset_hours":5.5,"state":"Himachal Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"07:21","sunsetLocal":"17:39","solarNoonLocal":"12:30","dayLengthHours":10.313797340521113,"dayLengthDisplay":"10 Hours 18 Mins 50 Secs","nightLengthDisplay":"13 Hours 41 Mins 10 Secs","moonriseLocal":"16:43","moonsetLocal":"06:47","rahuKala":{"name":"Rāhu Kāla","start":"08:38","end":"09:55","startHours":8.631364855494144,"endHours":9.920589523059284,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:13","end":"12:30","startHours":11.209814190624423,"endHours":12.49903885818956,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"13:47","end":"15:05","startHours":13.7882635257547,"endHours":15.07748819331984,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:45","end":"10:06","startHours":9.748692900717264,"endHours":10.092486145401303,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:46","end":"08:03","startHours":7.771881743784052,"endHours":8.04691633953128,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:09","end":"12:51","startHours":12.155245613505524,"endHours":12.842832102873597,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"05:58","end":"06:39","startHours":5.966967209192857,"endHours":6.654553698560931,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"06:29","end":"07:21","startHours":6.482657076218913,"endHours":7.342140187929005,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:13","end":"14:54","startHours":14.218005081609746,"endHours":14.90559157097782,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:27","end":"17:51","startHours":17.455937528450118,"endHours":17.855937528450117,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:39","end":"18:05","startHours":17.655937528450117,"endHours":18.085679084305163,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:24","end":"19:09","startHours":17.405937528450117,"endHours":19.155937528450117,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:09","end":"00:51","startHours":24.155245613505524,"endHours":24.842832102873597,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"07:21","end":"08:38","startHours":7.342140187929005,"endHours":8.631364855494144,"quality":"auspicious"},{"name":"Kāla","start":"08:38","end":"09:55","startHours":8.631364855494144,"endHours":9.920589523059284,"quality":"inauspicious"},{"name":"Śubha","start":"09:55","end":"11:13","startHours":9.920589523059284,"endHours":11.209814190624423,"quality":"auspicious"},{"name":"Roga","start":"11:13","end":"12:30","startHours":11.209814190624423,"endHours":12.49903885818956,"quality":"inauspicious"},{"name":"Udveg","start":"12:30","end":"13:47","startHours":12.49903885818956,"endHours":13.7882635257547,"quality":"inauspicious"},{"name":"Chala","start":"13:47","end":"15:05","startHours":13.7882635257547,"endHours":15.07748819331984,"quality":"neutral"},{"name":"Labha","start":"15:05","end":"16:22","startHours":15.07748819331984,"endHours":16.366712860884977,"quality":"auspicious"},{"name":"Amṛta","start":"16:22","end":"17:39","startHours":16.366712860884977,"endHours":17.655937528450117,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"17:39","end":"19:22","startHours":17.655937528450117,"endHours":19.366712860884977,"quality":"neutral"},{"name":"Labha","start":"19:22","end":"21:05","startHours":19.366712860884977,"endHours":21.077488193319837,"quality":"auspicious"},{"name":"Amṛta","start":"21:05","end":"22:47","startHours":21.077488193319837,"endHours":22.7882635257547,"quality":"auspicious"},{"name":"Kāla","start":"22:47","end":"00:30","startHours":22.7882635257547,"endHours":24.49903885818956,"quality":"inauspicious"},{"name":"Śubha","start":"00:30","end":"02:13","startHours":24.49903885818956,"endHours":26.20981419062442,"quality":"auspicious"},{"name":"Roga","start":"02:13","end":"03:55","startHours":26.20981419062442,"endHours":27.920589523059284,"quality":"inauspicious"},{"name":"Udveg","start":"03:55","end":"05:38","startHours":27.920589523059284,"endHours":29.631364855494144,"quality":"inauspicious"},{"name":"Chala","start":"05:38","end":"07:21","startHours":29.631364855494144,"endHours":31.342140187929004,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"07:21","end":"08:21","startHours":7.342140187929005,"endHours":8.342140187929004,"planetary_lord":"Moon"},{"name":"Hora 2","start":"08:21","end":"09:21","startHours":8.342140187929004,"endHours":9.342140187929004,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"09:21","end":"10:21","startHours":9.342140187929004,"endHours":10.342140187929004,"planetary_lord":"Venus"},{"name":"Hora 4","start":"10:21","end":"11:21","startHours":10.342140187929004,"endHours":11.342140187929004,"planetary_lord":"Sun"},{"name":"Hora 5","start":"11:21","end":"12:21","startHours":11.342140187929004,"endHours":12.342140187929004,"planetary_lord":"Mars"},{"name":"Hora 6","start":"12:21","end":"13:21","startHours":12.342140187929004,"endHours":13.342140187929004,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"13:21","end":"14:21","startHours":13.342140187929004,"endHours":14.342140187929004,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"14:21","end":"15:21","startHours":14.342140187929004,"endHours":15.342140187929004,"planetary_lord":"Moon"},{"name":"Hora 9","start":"15:21","end":"16:21","startHours":15.342140187929004,"endHours":16.342140187929004,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"16:21","end":"17:21","startHours":16.342140187929004,"endHours":17.342140187929004,"planetary_lord":"Venus"},{"name":"Hora 11","start":"17:21","end":"18:21","startHours":17.342140187929004,"endHours":18.342140187929004,"planetary_lord":"Sun"},{"name":"Hora 12","start":"18:21","end":"19:21","startHours":18.342140187929004,"endHours":19.342140187929004,"planetary_lord":"Mars"},{"name":"Hora 13","start":"19:21","end":"20:21","startHours":19.342140187929004,"endHours":20.342140187929004,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"20:21","end":"21:21","startHours":20.342140187929004,"endHours":21.342140187929004,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"21:21","end":"22:21","startHours":21.342140187929004,"endHours":22.342140187929004,"planetary_lord":"Moon"},{"name":"Hora 16","start":"22:21","end":"23:21","startHours":22.342140187929004,"endHours":23.342140187929004,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"23:21","end":"00:21","startHours":23.342140187929004,"endHours":24.342140187929004,"planetary_lord":"Venus"},{"name":"Hora 18","start":"00:21","end":"01:21","startHours":24.342140187929004,"endHours":25.342140187929004,"planetary_lord":"Sun"},{"name":"Hora 19","start":"01:21","end":"02:21","startHours":25.342140187929004,"endHours":26.342140187929004,"planetary_lord":"Mars"},{"name":"Hora 20","start":"02:21","end":"03:21","startHours":26.342140187929004,"endHours":27.342140187929004,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"03:21","end":"04:21","startHours":27.342140187929004,"endHours":28.342140187929004,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"04:21","end":"05:21","startHours":28.342140187929004,"endHours":29.342140187929004,"planetary_lord":"Moon"},{"name":"Hora 23","start":"05:21","end":"06:21","startHours":29.342140187929004,"endHours":30.342140187929004,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"06:21","end":"07:21","startHours":30.342140187929004,"endHours":31.342140187929004,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Punarvasu","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Uttara Phalgunī","Hasta","Citrā","Svātī","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Mithuna","Siṃha","Vṛścika","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Karka","Kanyā","Tulā","Makara","Kumbha"]},"dishaShool":"East (Pūrva)","chandraVasa":"South","rahuVasa":"North-East","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-21.45992433734879,"eotMinutes":-8.635931491373626,"ayanamsa":24.2027}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Pauṣa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Dhanus (Mārgaḻi)","ritu":"Hemanta (Pre-winter)","display_summary":"Pauṣa Śukla Pūrṇimā · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"paush-purnima","name":"Pauṣa Pūrṇimā (Śākambharī Devī Jayantī)","name_sanskrit":"पौष पूर्णिमा","tradition":"Pan-Hindu","associated_deity":"Devī Śākambharī","significance":"Manifestation of Devī Śākambharī (vegetation-mother).","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Pauṣa"},"precedence":3},{"id":"lohri","name":"Lohri","name_sanskrit":"लोहड़ी","tradition":"Regional","significance":"Punjab harvest festival; eve of Makara Saṅkrānti.","vrata":false,"detection":{"sun_rashi_eve_of_ingress":"Makara"},"precedence":4}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7, 6.34-35.","step_count":5,"url":"/walk/chandra-walk","steps":[{"label":"BG 6.5","url":"/bhagavad-gita/6/5","purpose":"Lift the self by the Self; begin the walk with inner responsibility."},{"label":"BG 6.6","url":"/bhagavad-gita/6/6","purpose":"See the mind as friend when mastered and enemy when unmastered."},{"label":"BG 6.7","url":"/bhagavad-gita/6/7","purpose":"Stabilize the conquered mind in heat/cold, honor/dishonor, pleasure/pain."},{"label":"BG 6.34","url":"/bhagavad-gita/6/34","purpose":"Name the restless mind honestly before trying to discipline it."},{"label":"BG 6.35","url":"/bhagavad-gita/6/35","purpose":"Complete with abhyāsa and vairāgya: practice and detachment."}]},"reason":"Dedicated festival walk for Pauṣa Pūrṇimā (Śākambharī Devī Jayantī) · Lohri is not live yet; Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"shimla"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 13, 2025 CE · Shimla, Himachal Pradesh · Vidhyamitra","description":"January 13, 2025 CE for Shimla, Himachal Pradesh: Śukla Pūrṇimā, sūryodaya 07:21, sūryāsta 17:39.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/shimla/2025-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/shimla/2025-01-13","sa":"https://sa.vidhyamitra.com/city/shimla/2025-01-13","hi":"https://hi.vidhyamitra.com/city/shimla/2025-01-13","x-default":"https://vidhyamitra.com/city/shimla/2025-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-07-26T09:20:44.318Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-07-26T09:20:44.318Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-07-26T09:20:44.318Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no founder-city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","Divyāṁśa-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}