{"id":"vidhyamitra:city-day:nairobi:2012-12-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/nairobi/2012-12-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-12-13","date_display":"December 13, 2012 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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2012,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456274.770833,"kali_year":5114,"ahargana":1867809.2708,"sun":{"sidereal_longitude":236.9636,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":232.8238,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":355.8602,"elapsed_within_tithi_degrees":7.8602},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.8238,"elapsed_within_degrees":6.1571},"yoga":{"number":9,"name":"Śūla","sum_longitude":109.7874},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"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":2012,"month":12,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456274.770833,"ahargana":1867809.2708,"kali_year":5114,"ayanamsa_lahiri":24.0339,"grahas":{"sun":{"sidereal_longitude":237.39569800000004,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"moon":{"sidereal_longitude":232.85859800000003,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2},"retrograde":false,"latitude":1.4152},"mars":{"sidereal_longitude":265.70809800000006,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":218.30599800000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":45.52669800000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"venus":{"sidereal_longitude":211.86849800000005,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":193.56139800000005,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":214.4763,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":34.4763,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":3},"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":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2012,"month":12,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456274.770833,"kali_year":5114,"ahargana":1867809.2708,"sun":{"sidereal_longitude":236.9636,"rashi":8,"rashi_name":"Vṛścika"},"moon":{"sidereal_longitude":232.8238,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":355.8602,"elapsed_within_tithi_degrees":7.8602},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":2,"moon_longitude":232.8238,"elapsed_within_degrees":6.1571},"yoga":{"number":9,"name":"Śūla","sum_longitude":109.7874},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.415,"elongation":4.14},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.415,"opposition_distance":175.86}},"eclipse_window_40days":[]},"city":{"slug":"nairobi","name":"Nairobi, Kenya","lat":-1.2921,"lon":36.8219,"tz_offset_hours":3,"country":"KE","tier":"diaspora"},"tier2":{"city":{"slug":"nairobi","name":"Nairobi, Kenya","lat":-1.2921,"lon":36.8219,"tz_offset_hours":3,"country":"KE","tier":"diaspora"},"sunriseLocal":"06:22","sunsetLocal":"18:33","solarNoonLocal":"12:28","dayLengthHours":12.194556571912472,"dayLengthDisplay":"12 Hours 11 Mins 40 Secs","nightLengthDisplay":"11 Hours 48 Mins 20 Secs","moonriseLocal":"06:05","moonsetLocal":"18:14","rahuKala":{"name":"Rāhu Kāla","start":"13:59","end":"15:31","startHours":13.984682067332091,"endHours":15.50900163882115,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:22","end":"07:53","startHours":6.363084209886796,"endHours":7.887403781375855,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:25","end":"10:56","startHours":9.411723352864914,"endHours":10.936042924353973,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:13","end":"09:37","startHours":9.20848074333304,"endHours":9.614965962396788,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:52","end":"07:12","startHours":6.871190733716482,"endHours":7.196378908967481,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:03","end":"12:52","startHours":12.053877276779284,"endHours":12.86684771490678,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:44","end":"05:33","startHours":4.737143333631799,"endHours":5.550113771759298,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:21","end":"06:22","startHours":5.346871162227423,"endHours":6.363084209886796,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:30","end":"15:18","startHours":14.492788591161776,"endHours":15.305759029289275,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:21","end":"18:45","startHours":18.35764078179927,"endHours":18.757640781799267,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:33","end":"19:04","startHours":18.557640781799268,"endHours":19.065747305628953,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:18","end":"20:03","startHours":18.307640781799268,"endHours":20.057640781799268,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:03","end":"00:52","startHours":24.053877276779282,"endHours":24.866847714906783,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:22","end":"07:53","startHours":6.363084209886796,"endHours":7.887403781375855,"quality":"auspicious"},{"name":"Roga","start":"07:53","end":"09:25","startHours":7.887403781375855,"endHours":9.411723352864914,"quality":"inauspicious"},{"name":"Udveg","start":"09:25","end":"10:56","startHours":9.411723352864914,"endHours":10.936042924353973,"quality":"inauspicious"},{"name":"Chala","start":"10:56","end":"12:28","startHours":10.936042924353973,"endHours":12.460362495843032,"quality":"neutral"},{"name":"Labha","start":"12:28","end":"13:59","startHours":12.460362495843032,"endHours":13.984682067332091,"quality":"auspicious"},{"name":"Amṛta","start":"13:59","end":"15:31","startHours":13.984682067332091,"endHours":15.50900163882115,"quality":"auspicious"},{"name":"Kāla","start":"15:31","end":"17:02","startHours":15.50900163882115,"endHours":17.03332121031021,"quality":"inauspicious"},{"name":"Śubha","start":"17:02","end":"18:33","startHours":17.03332121031021,"endHours":18.557640781799268,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:33","end":"20:02","startHours":18.557640781799268,"endHours":20.03332121031021,"quality":"auspicious"},{"name":"Kāla","start":"20:02","end":"21:31","startHours":20.03332121031021,"endHours":21.50900163882115,"quality":"inauspicious"},{"name":"Śubha","start":"21:31","end":"22:59","startHours":21.50900163882115,"endHours":22.98468206733209,"quality":"auspicious"},{"name":"Roga","start":"22:59","end":"00:28","startHours":22.98468206733209,"endHours":24.460362495843032,"quality":"inauspicious"},{"name":"Udveg","start":"00:28","end":"01:56","startHours":24.460362495843032,"endHours":25.936042924353973,"quality":"inauspicious"},{"name":"Chala","start":"01:56","end":"03:25","startHours":25.936042924353973,"endHours":27.411723352864914,"quality":"neutral"},{"name":"Labha","start":"03:25","end":"04:53","startHours":27.411723352864914,"endHours":28.887403781375856,"quality":"auspicious"},{"name":"Amṛta","start":"04:53","end":"06:22","startHours":28.887403781375856,"endHours":30.363084209886797,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:22","end":"07:22","startHours":6.363084209886796,"endHours":7.363084209886796,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:22","end":"08:22","startHours":7.363084209886796,"endHours":8.363084209886797,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:22","end":"09:22","startHours":8.363084209886797,"endHours":9.363084209886797,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:22","end":"10:22","startHours":9.363084209886797,"endHours":10.363084209886797,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:22","end":"11:22","startHours":10.363084209886797,"endHours":11.363084209886797,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:22","end":"12:22","startHours":11.363084209886797,"endHours":12.363084209886797,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:22","end":"13:22","startHours":12.363084209886797,"endHours":13.363084209886797,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:22","end":"14:22","startHours":13.363084209886797,"endHours":14.363084209886797,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:22","end":"15:22","startHours":14.363084209886797,"endHours":15.363084209886797,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:22","end":"16:22","startHours":15.363084209886797,"endHours":16.363084209886797,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:22","end":"17:22","startHours":16.363084209886797,"endHours":17.363084209886797,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:22","end":"18:22","startHours":17.363084209886797,"endHours":18.363084209886797,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:22","end":"19:22","startHours":18.363084209886797,"endHours":19.363084209886797,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:22","end":"20:22","startHours":19.363084209886797,"endHours":20.363084209886797,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:22","end":"21:22","startHours":20.363084209886797,"endHours":21.363084209886797,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:22","end":"22:22","startHours":21.363084209886797,"endHours":22.363084209886797,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:22","end":"23:22","startHours":22.363084209886797,"endHours":23.363084209886797,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:22","end":"00:22","startHours":23.363084209886797,"endHours":24.363084209886797,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:22","end":"01:22","startHours":24.363084209886797,"endHours":25.363084209886797,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:22","end":"02:22","startHours":25.363084209886797,"endHours":26.363084209886797,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:22","end":"03:22","startHours":26.363084209886797,"endHours":27.363084209886797,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:22","end":"04:22","startHours":27.363084209886797,"endHours":28.363084209886797,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:22","end":"05:22","startHours":28.363084209886797,"endHours":29.363084209886797,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:22","end":"06:22","startHours":29.363084209886797,"endHours":30.363084209886797,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"North-East","rahuVasa":"North-West","anandadiYoga":{"name":"Dhvānkṣa","quality":"Inauspicious"},"tropicalRitu":"Hemanta (Pre-winter) (tropical)","vedicRitu":"Śarad (Autumn)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-23.159441888130512,"eotMinutes":5.090650249418121,"ayanamsa":24.0339}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Mārgaśīrṣa","lunar_month_paksha_full":"Mārgaśīrṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Mārgaśīrṣa","lunar_month_amanta":"Kārtika","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Vṛścika (Kārttikai)","ritu":"Hemanta (Pre-winter)","display_summary":"Mārgaśīrṣa Kṛṣṇa Amāvasyā · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"nairobi"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga December 13, 2012 CE · Nairobi, Kenya · Vidhyamitra","description":"December 13, 2012 CE for Nairobi, Kenya: Kṛṣṇa Amāvasyā, sūryodaya 06:22, sūryāsta 18:33.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/nairobi/2012-12-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/nairobi/2012-12-13","sa":"https://sa.vidhyamitra.com/city/nairobi/2012-12-13","hi":"https://hi.vidhyamitra.com/city/nairobi/2012-12-13","x-default":"https://vidhyamitra.com/city/nairobi/2012-12-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-09-06T07:35:39.237Z","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":"2026-09-06T07:35:39.237Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-09-06T07:35:39.237Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Hosted scripture","Named-tradition interpretation","Original Vidhyamitra contemplation","Bhūmi-born material medium","Vidhyamitra portal","Responsible reader in their own kṣetra"],"claim_boundary":"The legacy purna_chain field carries a source-to-reader sequence, not a revealed physical descent, universal cosmology, or proof that software is conscious.","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"}}}