{"id":"vidhyamitra:city-day:np--bagmati--kathmandu--79726:2025-08-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/np--bagmati--kathmandu--79726/2025-08-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2025-08-21","date_display":"August 21, 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":"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":2025,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460908.770833,"kali_year":5127,"ahargana":1872443.2708,"sun":{"sidereal_longitude":123.3436,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":97.0343,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.6907,"elapsed_within_tithi_degrees":9.6907},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.0343,"elapsed_within_degrees":3.701},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.3779},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"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":2025,"month":8,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2460908.770833,"ahargana":1872443.2708,"kali_year":5127,"ayanamsa_lahiri":24.2111,"grahas":{"sun":{"sidereal_longitude":124.04664500000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"moon":{"sidereal_longitude":96.78624500000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false,"latitude":3.5403},"mars":{"sidereal_longitude":164.27694500000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":105.257745,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":81.51254499999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"venus":{"sidereal_longitude":89.91484500000001,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":336.583045,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":26,"name":"Uttara Bhādrapadā","pada":1},"retrograde":true},"rahu":{"sidereal_longitude":328.9447,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":148.9447,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","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":"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":2025,"month":8,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2460908.770833,"kali_year":5127,"ahargana":1872443.2708,"sun":{"sidereal_longitude":123.3436,"rashi":5,"rashi_name":"Siṃha"},"moon":{"sidereal_longitude":97.0343,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":28,"name":"Trayodaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Trayodaśī","elongation_degrees":333.6907,"elapsed_within_tithi_degrees":9.6907},"nakshatra":{"number":8,"name":"Puṣya","pada":2,"moon_longitude":97.0343,"elapsed_within_degrees":3.701},"yoga":{"number":17,"name":"Vyatīpāta","sum_longitude":220.3779},"karana":{"half_tithi_index":55,"name":"Vaṇija"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.54,"elongation":26.309},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.54,"opposition_distance":153.691}},"eclipse_window_40days":[{"offset_days":18,"type":"lunar","occurs":true,"moon_latitude":-0.388,"opposition_distance":2.369}]},"city":{"slug":"np--bagmati--kathmandu--79726","name":"Kathmandu, Bagmati","lat":27.709,"lon":85.2849,"tz_offset_hours":5.75,"tz_iana":"Asia/Kathmandu","state":"Bagmati","country":"NP","tier":"tirtha"},"tier2":{"city":{"slug":"np--bagmati--kathmandu--79726","name":"Kathmandu, Bagmati","lat":27.709,"lon":85.2849,"tz_offset_hours":5.75,"tz_iana":"Asia/Kathmandu","state":"Bagmati","country":"NP","tier":"tirtha"},"sunriseLocal":"05:37","sunsetLocal":"18:36","solarNoonLocal":"12:07","dayLengthHours":12.989626494581366,"dayLengthDisplay":"12 Hours 59 Mins 23 Secs","nightLengthDisplay":"11 Hours 00 Mins 37 Secs","moonriseLocal":"03:31","moonsetLocal":"17:04","rahuKala":{"name":"Rāhu Kāla","start":"13:44","end":"15:22","startHours":13.73467486708925,"endHours":15.358378178911922,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"05:37","end":"07:14","startHours":5.616158307975898,"endHours":7.239861619798568,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"08:52","end":"10:29","startHours":8.863564931621239,"endHours":10.48726824344391,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:39","end":"09:05","startHours":8.64707115671155,"endHours":9.080058706530929,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:09","end":"06:30","startHours":6.157392745250121,"endHours":6.503782785105624,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:33","startHours":11.677984005447202,"endHours":12.543959105085959,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:53","end":"04:45","startHours":3.884208108698382,"endHours":4.75018320833714,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:32","end":"05:37","startHours":4.53368943342745,"endHours":5.616158307975898,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:17","end":"15:09","startHours":14.275909304363475,"endHours":15.141884404002234,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:24","end":"18:48","startHours":18.405784802557264,"endHours":18.805784802557262,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:36","end":"19:09","startHours":18.605784802557263,"endHours":19.147019239831486,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:21","end":"20:06","startHours":18.355784802557263,"endHours":20.105784802557263,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:33","startHours":23.6779840054472,"endHours":24.54395910508596,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"05:37","end":"07:14","startHours":5.616158307975898,"endHours":7.239861619798568,"quality":"auspicious"},{"name":"Roga","start":"07:14","end":"08:52","startHours":7.239861619798568,"endHours":8.863564931621239,"quality":"inauspicious"},{"name":"Udveg","start":"08:52","end":"10:29","startHours":8.863564931621239,"endHours":10.48726824344391,"quality":"inauspicious"},{"name":"Chala","start":"10:29","end":"12:07","startHours":10.48726824344391,"endHours":12.11097155526658,"quality":"neutral"},{"name":"Labha","start":"12:07","end":"13:44","startHours":12.11097155526658,"endHours":13.73467486708925,"quality":"auspicious"},{"name":"Amṛta","start":"13:44","end":"15:22","startHours":13.73467486708925,"endHours":15.358378178911922,"quality":"auspicious"},{"name":"Kāla","start":"15:22","end":"16:59","startHours":15.358378178911922,"endHours":16.982081490734593,"quality":"inauspicious"},{"name":"Śubha","start":"16:59","end":"18:36","startHours":16.982081490734593,"endHours":18.605784802557263,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"18:36","end":"19:59","startHours":18.605784802557263,"endHours":19.982081490734593,"quality":"auspicious"},{"name":"Kāla","start":"19:59","end":"21:22","startHours":19.982081490734593,"endHours":21.35837817891192,"quality":"inauspicious"},{"name":"Śubha","start":"21:22","end":"22:44","startHours":21.35837817891192,"endHours":22.73467486708925,"quality":"auspicious"},{"name":"Roga","start":"22:44","end":"00:07","startHours":22.73467486708925,"endHours":24.11097155526658,"quality":"inauspicious"},{"name":"Udveg","start":"00:07","end":"01:29","startHours":24.11097155526658,"endHours":25.48726824344391,"quality":"inauspicious"},{"name":"Chala","start":"01:29","end":"02:52","startHours":25.48726824344391,"endHours":26.86356493162124,"quality":"neutral"},{"name":"Labha","start":"02:52","end":"04:14","startHours":26.86356493162124,"endHours":28.239861619798567,"quality":"auspicious"},{"name":"Amṛta","start":"04:14","end":"05:37","startHours":28.239861619798567,"endHours":29.616158307975898,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"05:37","end":"06:37","startHours":5.616158307975898,"endHours":6.616158307975898,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"06:37","end":"07:37","startHours":6.616158307975898,"endHours":7.616158307975898,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"07:37","end":"08:37","startHours":7.616158307975898,"endHours":8.616158307975898,"planetary_lord":"Moon"},{"name":"Hora 4","start":"08:37","end":"09:37","startHours":8.616158307975898,"endHours":9.616158307975898,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"09:37","end":"10:37","startHours":9.616158307975898,"endHours":10.616158307975898,"planetary_lord":"Venus"},{"name":"Hora 6","start":"10:37","end":"11:37","startHours":10.616158307975898,"endHours":11.616158307975898,"planetary_lord":"Sun"},{"name":"Hora 7","start":"11:37","end":"12:37","startHours":11.616158307975898,"endHours":12.616158307975898,"planetary_lord":"Mars"},{"name":"Hora 8","start":"12:37","end":"13:37","startHours":12.616158307975898,"endHours":13.616158307975898,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"13:37","end":"14:37","startHours":13.616158307975898,"endHours":14.616158307975898,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"14:37","end":"15:37","startHours":14.616158307975898,"endHours":15.616158307975898,"planetary_lord":"Moon"},{"name":"Hora 11","start":"15:37","end":"16:37","startHours":15.616158307975898,"endHours":16.616158307975898,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"16:37","end":"17:37","startHours":16.616158307975898,"endHours":17.616158307975898,"planetary_lord":"Venus"},{"name":"Hora 13","start":"17:37","end":"18:37","startHours":17.616158307975898,"endHours":18.616158307975898,"planetary_lord":"Sun"},{"name":"Hora 14","start":"18:37","end":"19:37","startHours":18.616158307975898,"endHours":19.616158307975898,"planetary_lord":"Mars"},{"name":"Hora 15","start":"19:37","end":"20:37","startHours":19.616158307975898,"endHours":20.616158307975898,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"20:37","end":"21:37","startHours":20.616158307975898,"endHours":21.616158307975898,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"21:37","end":"22:37","startHours":21.616158307975898,"endHours":22.616158307975898,"planetary_lord":"Moon"},{"name":"Hora 18","start":"22:37","end":"23:37","startHours":22.616158307975898,"endHours":23.616158307975898,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"23:37","end":"00:37","startHours":23.616158307975898,"endHours":24.616158307975898,"planetary_lord":"Venus"},{"name":"Hora 20","start":"00:37","end":"01:37","startHours":24.616158307975898,"endHours":25.616158307975898,"planetary_lord":"Sun"},{"name":"Hora 21","start":"01:37","end":"02:37","startHours":25.616158307975898,"endHours":26.616158307975898,"planetary_lord":"Mars"},{"name":"Hora 22","start":"02:37","end":"03:37","startHours":26.616158307975898,"endHours":27.616158307975898,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"03:37","end":"04:37","startHours":27.616158307975898,"endHours":28.616158307975898,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"04:37","end":"05:37","startHours":28.616158307975898,"endHours":29.616158307975898,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-West","rahuVasa":"North-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":12.078207022488938,"eotMinutes":-2.7978933159948465,"ayanamsa":24.2111}},"calendars":{"vikram_samvat":2082,"vikram_samvatsara":"Kālayukta","saka_samvat":1947,"saka_samvatsara":"Viśvāvasu","bengali_samvat":1432,"malayalam_era":1201,"nanakshahi_year":556,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Śrāvaṇa","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Siṃha (Āvaṇi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Kṛṣṇa Trayodaśī · Vikram 2082 Kālayukta · Śaka 1947 Viśvāvasu"},"festivals":[{"id":"pradosha-vrata","name":"Pradoṣa Vrata","name_sanskrit":"प्रदोष व्रत","tradition":"Shaiva","associated_deity":"Śiva","significance":"Twilight worship of Śiva on Trayodaśī.","vrata":true,"detection":{"any_of":[{"tithi_number":13},{"tithi_number":28}]},"precedence":7}],"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":"Dedicated festival walk for Pradoṣa Vrata is not live yet; Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"np--bagmati--kathmandu--79726"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga August 21, 2025 CE · Kathmandu, Bagmati · Vidhyamitra","description":"August 21, 2025 CE for Kathmandu, Bagmati: Kṛṣṇa Trayodaśī, sūryodaya 05:37, sūryāsta 18:36.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/np--bagmati--kathmandu--79726/2025-08-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/np--bagmati--kathmandu--79726/2025-08-21","sa":"https://sa.vidhyamitra.com/city/np--bagmati--kathmandu--79726/2025-08-21","hi":"https://hi.vidhyamitra.com/city/np--bagmati--kathmandu--79726/2025-08-21","x-default":"https://vidhyamitra.com/city/np--bagmati--kathmandu--79726/2025-08-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-22T14:08:51.732Z","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":"2026-08-22T14:08:51.732Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-22T14:08:51.732Z","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"}}}