{"id":"vidhyamitra:city-day:nairobi:2002-01-13:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/nairobi/2002-01-13","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2002-01-13","date_display":"January 13, 2002 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":2002,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452287.770833,"kali_year":5103,"ahargana":1863822.2708,"sun":{"sidereal_longitude":268.6567,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":264.1207,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":355.464,"elapsed_within_tithi_degrees":7.464},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.1207,"elapsed_within_degrees":10.7873},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.7773},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"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":2002,"month":1,"day":13,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2452287.770833,"ahargana":1863822.2708,"kali_year":5103,"ayanamsa_lahiri":23.8814,"grahas":{"sun":{"sidereal_longitude":268.790931,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"moon":{"sidereal_longitude":262.726531,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":3},"retrograde":false,"latitude":-1.4187},"mars":{"sidereal_longitude":331.814431,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":287.77163099999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":75.084431,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":3},"retrograde":true},"venus":{"sidereal_longitude":268.436831,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":44.666630999999995,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":65.7268,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":5,"name":"Mṛgaśīrṣā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":245.7268,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"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":2002,"month":1,"day":13,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2452287.770833,"kali_year":5103,"ahargana":1863822.2708,"sun":{"sidereal_longitude":268.6567,"rashi":9,"rashi_name":"Dhanu"},"moon":{"sidereal_longitude":264.1207,"rashi":9,"rashi_name":"Dhanu"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":355.464,"elapsed_within_tithi_degrees":7.464},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4,"moon_longitude":264.1207,"elapsed_within_degrees":10.7873},"yoga":{"number":13,"name":"Vyāghāta","sum_longitude":172.7773},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":2,"name":"Ravivāra (Sunday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-1.419,"elongation":4.536},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-1.419,"opposition_distance":175.464}},"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":"06:36","sunsetLocal":"18:47","solarNoonLocal":"12:41","dayLengthHours":12.18742357740911,"dayLengthDisplay":"12 Hours 11 Mins 15 Secs","nightLengthDisplay":"11 Hours 48 Mins 45 Secs","moonriseLocal":"06:12","moonsetLocal":"18:22","rahuKala":{"name":"Rāhu Kāla","start":"17:16","end":"18:47","startHours":17.259422699717977,"endHours":18.782850646894115,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"12:41","end":"14:13","startHours":12.68913885818956,"endHours":14.212566805365698,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"15:44","end":"17:16","startHours":15.735994752541838,"endHours":17.259422699717977,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:26","end":"09:51","startHours":9.43915923754713,"endHours":9.845406690127435,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"07:06","end":"07:26","startHours":7.103236385210385,"endHours":7.428234347274628,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:17","end":"13:06","startHours":12.282891405609256,"endHours":13.095386310769864,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:58","end":"05:47","startHours":4.97043725916379,"endHours":5.782932164324398,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:35","end":"06:36","startHours":5.579808438034246,"endHours":6.595427069485005,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:43","end":"15:32","startHours":14.720376121091078,"endHours":15.532871026251685,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"18:35","end":"18:59","startHours":18.582850646894116,"endHours":18.982850646894114,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"18:47","end":"19:17","startHours":18.782850646894115,"endHours":19.290659962619493,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"18:32","end":"20:17","startHours":18.532850646894115,"endHours":20.282850646894115,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:17","end":"01:06","startHours":24.282891405609256,"endHours":25.09538631076986,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Udveg","start":"06:36","end":"08:07","startHours":6.595427069485005,"endHours":8.118855016661144,"quality":"inauspicious"},{"name":"Chala","start":"08:07","end":"09:39","startHours":8.118855016661144,"endHours":9.642282963837282,"quality":"neutral"},{"name":"Labha","start":"09:39","end":"11:10","startHours":9.642282963837282,"endHours":11.165710911013422,"quality":"auspicious"},{"name":"Amṛta","start":"11:10","end":"12:41","startHours":11.165710911013422,"endHours":12.68913885818956,"quality":"auspicious"},{"name":"Kāla","start":"12:41","end":"14:13","startHours":12.68913885818956,"endHours":14.212566805365698,"quality":"inauspicious"},{"name":"Śubha","start":"14:13","end":"15:44","startHours":14.212566805365698,"endHours":15.735994752541838,"quality":"auspicious"},{"name":"Roga","start":"15:44","end":"17:16","startHours":15.735994752541838,"endHours":17.259422699717977,"quality":"inauspicious"},{"name":"Udveg","start":"17:16","end":"18:47","startHours":17.259422699717977,"endHours":18.782850646894115,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Śubha","start":"18:47","end":"20:16","startHours":18.782850646894115,"endHours":20.259422699717977,"quality":"auspicious"},{"name":"Roga","start":"20:16","end":"21:44","startHours":20.259422699717977,"endHours":21.73599475254184,"quality":"inauspicious"},{"name":"Udveg","start":"21:44","end":"23:13","startHours":21.73599475254184,"endHours":23.212566805365697,"quality":"inauspicious"},{"name":"Chala","start":"23:13","end":"00:41","startHours":23.212566805365697,"endHours":24.68913885818956,"quality":"neutral"},{"name":"Labha","start":"00:41","end":"02:10","startHours":24.68913885818956,"endHours":26.16571091101342,"quality":"auspicious"},{"name":"Amṛta","start":"02:10","end":"03:39","startHours":26.16571091101342,"endHours":27.642282963837282,"quality":"auspicious"},{"name":"Kāla","start":"03:39","end":"05:07","startHours":27.642282963837282,"endHours":29.118855016661144,"quality":"inauspicious"},{"name":"Śubha","start":"05:07","end":"06:36","startHours":29.118855016661144,"endHours":30.595427069485005,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:36","end":"07:36","startHours":6.595427069485005,"endHours":7.595427069485005,"planetary_lord":"Sun"},{"name":"Hora 2","start":"07:36","end":"08:36","startHours":7.595427069485005,"endHours":8.595427069485005,"planetary_lord":"Mars"},{"name":"Hora 3","start":"08:36","end":"09:36","startHours":8.595427069485005,"endHours":9.595427069485005,"planetary_lord":"Jupiter"},{"name":"Hora 4","start":"09:36","end":"10:36","startHours":9.595427069485005,"endHours":10.595427069485005,"planetary_lord":"Saturn"},{"name":"Hora 5","start":"10:36","end":"11:36","startHours":10.595427069485005,"endHours":11.595427069485005,"planetary_lord":"Moon"},{"name":"Hora 6","start":"11:36","end":"12:36","startHours":11.595427069485005,"endHours":12.595427069485005,"planetary_lord":"Mercury"},{"name":"Hora 7","start":"12:36","end":"13:36","startHours":12.595427069485005,"endHours":13.595427069485005,"planetary_lord":"Venus"},{"name":"Hora 8","start":"13:36","end":"14:36","startHours":13.595427069485005,"endHours":14.595427069485005,"planetary_lord":"Sun"},{"name":"Hora 9","start":"14:36","end":"15:36","startHours":14.595427069485005,"endHours":15.595427069485005,"planetary_lord":"Mars"},{"name":"Hora 10","start":"15:36","end":"16:36","startHours":15.595427069485005,"endHours":16.595427069485005,"planetary_lord":"Jupiter"},{"name":"Hora 11","start":"16:36","end":"17:36","startHours":16.595427069485005,"endHours":17.595427069485005,"planetary_lord":"Saturn"},{"name":"Hora 12","start":"17:36","end":"18:36","startHours":17.595427069485005,"endHours":18.595427069485005,"planetary_lord":"Moon"},{"name":"Hora 13","start":"18:36","end":"19:36","startHours":18.595427069485005,"endHours":19.595427069485005,"planetary_lord":"Mercury"},{"name":"Hora 14","start":"19:36","end":"20:36","startHours":19.595427069485005,"endHours":20.595427069485005,"planetary_lord":"Venus"},{"name":"Hora 15","start":"20:36","end":"21:36","startHours":20.595427069485005,"endHours":21.595427069485005,"planetary_lord":"Sun"},{"name":"Hora 16","start":"21:36","end":"22:36","startHours":21.595427069485005,"endHours":22.595427069485005,"planetary_lord":"Mars"},{"name":"Hora 17","start":"22:36","end":"23:36","startHours":22.595427069485005,"endHours":23.595427069485005,"planetary_lord":"Jupiter"},{"name":"Hora 18","start":"23:36","end":"00:36","startHours":23.595427069485005,"endHours":24.595427069485005,"planetary_lord":"Saturn"},{"name":"Hora 19","start":"00:36","end":"01:36","startHours":24.595427069485005,"endHours":25.595427069485005,"planetary_lord":"Moon"},{"name":"Hora 20","start":"01:36","end":"02:36","startHours":25.595427069485005,"endHours":26.595427069485005,"planetary_lord":"Mercury"},{"name":"Hora 21","start":"02:36","end":"03:36","startHours":26.595427069485005,"endHours":27.595427069485005,"planetary_lord":"Venus"},{"name":"Hora 22","start":"03:36","end":"04:36","startHours":27.595427069485005,"endHours":28.595427069485005,"planetary_lord":"Sun"},{"name":"Hora 23","start":"04:36","end":"05:36","startHours":28.595427069485005,"endHours":29.595427069485005,"planetary_lord":"Mars"},{"name":"Hora 24","start":"05:36","end":"06:36","startHours":29.595427069485005,"endHours":30.595427069485005,"planetary_lord":"Jupiter"}],"taraBala":{"favorable_nakshatras":["Kṛttikā","Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Uttara Phalgunī","Hasta","Citrā","Svātī","Viśākhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Puṣya","Aśleṣā","Maghā","Pūrva Phalgunī","Anurādhā","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Tulā","Dhanu","Kumbha"],"unfavorable_rashis":["Meṣa","Karka","Siṃha","Vṛścika","Makara","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"East","rahuVasa":"North-East","anandadiYoga":{"name":"Śubha","quality":"Auspicious"},"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":-21.53055935940545,"eotMinutes":-8.635931491373626,"ayanamsa":23.8814}},"calendars":{"vikram_samvat":2059,"vikram_samvatsara":"Manmatha","saka_samvat":1924,"saka_samvatsara":"Citrabhānu","bengali_samvat":1409,"malayalam_era":1178,"nanakshahi_year":533,"lunar_month":"Pauṣa","lunar_month_paksha_full":"Pauṣa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Pauṣa","lunar_month_amanta":"Mārgaśīrṣa","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 Kṛṣṇa Amāvasyā · Vikram 2059 Manmatha · Śaka 1924 Citrabhānu"},"festivals":[{"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":"surya-walk","name":"Sūrya Walk","name_sanskrit":"सूर्य यात्रा","type":"graha","description":"Self-illumination + BG 4.1 (Sun-lineage of Gītā transmission).","step_count":6,"url":"/walk/surya-walk"},"reason":"Ravivāra (Sunday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3137-10-20","event":"Karṇa-Vadha (Mahābhārata Day 17)","chart_id":"karna","shared_marker":"same Kṛṣṇa Amāvasyā","url":"/day/-3137-10-20","relevance":0.5}]},"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 January 13, 2002 CE · Nairobi, Kenya · Vidhyamitra","description":"January 13, 2002 CE for Nairobi, Kenya: Kṛṣṇa Amāvasyā, sūryodaya 06:36, sūryāsta 18:47.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/nairobi/2002-01-13","hreflang_alternates":{"en":"https://vidhyamitra.com/city/nairobi/2002-01-13","sa":"https://sa.vidhyamitra.com/city/nairobi/2002-01-13","hi":"https://hi.vidhyamitra.com/city/nairobi/2002-01-13","x-default":"https://vidhyamitra.com/city/nairobi/2002-01-13"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T05:12:51.870Z","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":"2026-06-02T05:12:51.870Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T05:12:51.870Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}